The MM20441 from Teledyne Microwave Solutions is a RF Mixer with RF Frequency 4000 to 20000 MHz, LO Frequency 4000 to 20000 MHz, IF Frequency 0 to 4000 MHz, Conversion Loss 8.5 dB, LO Drive - Power 10 dB. Tags: Surface Mount. More details for MM20441 can be seen below.